L3 Network Engineer - Multi-Vendor WAN/LAN Expert

Logicalis Singapore PTE. LTD.; Singapore; On-site; SGD 65,000 - 100,000; Full time

Job summary

Logicalis Singapore PTE. LTD. is seeking an experienced L3 Network Engineer to design, implement, and manage enterprise network infrastructure across multi-vendor environments in Singapore.

You will serve as the escalation point for complex incidents and collaborate with L1/L2 teams, cybersecurity, and stakeholders to ensure high availability and security. Candidates should have 5–8+ years of network engineering experience, strong routing/switching skills, and CCNP or equivalent certifications.

Qualifications

• Diploma or Degree in IT, Computer Science, Networking.
• 5–8+ years of network engineering experience.
• CCNP, JNCIP, Fortinet or Palo Alto certifications preferred.

Responsibilities

• Provide L3 technical support for complex network incidents.
• Troubleshoot LAN, WAN, Internet, WLAN, VPN, routing, and firewall environments.
• Lead troubleshooting for major incidents and perform RCA.
• Mentor L1/L2 engineers and document troubleshooting procedures.
• Coordinate network changes and document configurations.

Skills

TCP/IP

DNS

DHCP

NAT

VLAN

STP

QoS

VPN

Routing

Switching

BGP

OSPF

Packet captures

Network monitoring

Multi-vendor networking

Education

Diploma or Degree in IT, Computer Science, Networking

Tools

Cisco

Fortinet

Palo Alto

Juniper

Cisco Meraki

UniFi

Job description

Logicalis Singapore PTE. LTD. is seeking an experienced L3 Network Engineer to design, implement, and manage enterprise network infrastructure across multi-vendor environments in Singapore.

You will serve as the escalation point for complex incidents and collaborate with L1/L2 teams, cybersecurity, and stakeholders to ensure high availability and security. Candidates should have 5–8+ years of network engineering experience, strong routing/switching skills, and CCNP or equivalent certifications.